Evaluating the Quality of an Image Acquisition Device Aimed at the Reconstruction of Spectral Reflectances Using Recovery Models
Authors: Hironaga, Mikiya; Shimano, Noriyuki
Source: Journal of Imaging Science and Technology, Volume 52, Number 3, May 2008 , pp. 30503-1-30503-7(7)
Publisher: Society for Imaging Science and Technology
Abstract:Accurate recovery of spectral reflectances is important for color reproduction under a variety of illuminations, and several models have been proposed to recover them. To evaluate the quality (Q1) of an image acquisition system aimed at recovery of spectral reflectances, we proposed an evaluation model based on Wiener estimation and showed that mean square errors between the recovered and measured spectral reflectances as a function of Q1 agree quite well with the prediction from the model, and that estimation of the noise variance of the image acquisition system is essential to the evaluation model. In this paper, the evaluation model was applied to two different reflectance recovery methods, and it is confirmed that the proposed model can be applied to different methods.
Document Type: Research Article
Affiliations: Kinki University, School of Science and Engineering, 3-4-1, Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
Publication date: May 1, 2008
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